graceful

func FD2Unix ¶

func FD2Unix(fd int) (*net.UnixConn, error)

func IsChild ¶

func IsChild() bool

IsChild returns true if this executable was launched by StartChild

func ReadJSON ¶

func ReadJSON(src *net.UnixConn, msg any) error

func ReadJSONConn ¶

func ReadJSONConn(src *net.UnixConn, msg any) (net.Conn, error)

func ReadJSONFile ¶

func ReadJSONFile(src *net.UnixConn, msg any) (*os.File, error)

func ReadWithFile ¶

func ReadWithFile(src *net.UnixConn, dst []byte) (int, *os.File, error)

ReadWithFile reads data from src, and if it includes an out-of-band control message, it will try to turn it into a file handle.

func Setup ¶

func Setup(ctx context.Context) context.Context

func SocketPair ¶

func SocketPair() (*net.UnixConn, *net.UnixConn, error)

SocketPair returns a pair of connected unix sockets.

func StartChild ¶

func StartChild() (*net.UnixConn, error)

func Sync ¶

func Sync(ctx context.Context) chan struct{}

Sync returns the channel put in by WithSync, if no such channel exists it returns a closed channel.

func WithSync ¶

func WithSync(ctx context.Context) (context.Context, func())

func WriteJSON ¶

func WriteJSON(dst *net.UnixConn, msg any) error

func WriteJSONFile ¶

func WriteJSONFile(dst *net.UnixConn, msg any, handle *os.File) error

func WriteWithFile ¶

func WriteWithFile(dst *net.UnixConn, msg []byte, handle *os.File) (int, error)

WriteWithFile writes a message to dst, including the provided file handle in an out-of-band control message.